A chip repair fills the damage without replacing the whole windshield
A windshield chip repair is a process where a technician injects a clear resin into a small break in your glass, hardens it with ultraviolet light, and polishes the surface smooth. The goal is to stop the chip from spreading into a crack that would require full windshield replacement. Chip repairs work best when the damage is smaller than a quarter, the break has not reached the edge of the windshield, and the chip happened recently enough that dirt has not settled into it.
Most chip repairs take 30 minutes to an hour. The technician cleans out any debris, applies the resin, lets it cure, then sands and buffs the area. The repair is not invisible — you will likely still see the spot where the chip was — but it restores structural integrity and stops the damage from spreading. Many insurance policies cover chip repairs at little or no cost to you because preventing a full replacement saves the insurer money.
Key Takeaways
- Chip repairs work on damage smaller than a quarter and cost between $50 and $150 if you pay out of pocket, though many insurance plans cover them with little or no deductible.
- The repair must happen before the chip spreads into a crack or reaches the windshield edge, so the sooner you address it the better your chances of avoiding replacement.
- Most repairs take 30 to 60 minutes and do not require you to leave your vehicle overnight, though some shops offer mobile service that comes to your location.
- The repaired spot will remain visible but will be structurally sound and will not spread if the resin is applied correctly and the windshield is not exposed to extreme temperature changes when ready after.
When a chip can be repaired versus when you need replacement
A chip is repairable if it meets three conditions: the damage is smaller than a quarter (roughly the size of a coin), the break has not reached the edge of the windshield, and the chip is not in the driver's direct line of sight in most states. If the chip is larger, has already begun spreading into a crack, or sits along the edge where the glass meets the frame, a repair will not hold and replacement is the only option.
Temperature matters too. If your windshield was hit on a cold day and you when ready blasted hot air on it, or if you parked in the sun after the impact, the glass may have already begun to crack internally even if you only see a small chip. A technician can assess this during an inspection. If the damage is spreading or if the structural integrity is compromised, they will recommend replacement rather than repair.
Some states have safety regulations about where damage can be on the windshield. A chip in the driver's line of sight — the area directly in front of the steering wheel — may not be repairable in your state even if the damage is small, because the repair itself can create a slight distortion. Check your state's vehicle code or ask your insurance company whether your specific chip location is repairable under local law.
How much chip repair costs and what insurance covers
Out-of-pocket chip repair costs range from $50 to $150 depending on the shop, your location, and the size of the damage. Some national chains like Safelite or local glass shops may price differently. If you have comprehensive auto insurance, your policy likely covers chip repairs with either no deductible or a deductible of $100 to $500 — check your policy documents or call your insurer to confirm.
Many insurers waive the deductible for chip repairs specifically because the repair is cheaper than replacement. If your deductible is $500 and the repair costs $75, the insurer will often pay the full $75 without you paying anything. Some policies also cover one or two chip repairs per year at no cost. Read your policy's comprehensive coverage section or contact your agent to learn what your plan covers.
If you do not have insurance or your policy does not cover glass, paying out of pocket is still cheaper than a windshield replacement, which typically costs $300 to $1,000 depending on your vehicle. Repairing a chip now can save you that larger expense later if the chip spreads.
The repair process and what to expect
When you arrive at a glass shop, the technician will inspect the chip under magnification to confirm it is repairable. They will ask when the damage happened and whether the windshield has been exposed to extreme temperature changes since the impact. They will also check whether the chip is in a location that local law permits to be repaired.
If the repair can proceed, the technician cleans the chip with compressed air and a small brush to remove dirt, dust, and any loose glass fragments. They then explore a specialized resin — usually an acrylic or urethane compound — directly into the break. The resin is drawn into the chip by vacuum pressure to may support it fills all the small cracks within the damage. Once the resin is in place, the technician uses an ultraviolet light to harden it, which typically takes 10 to 15 minutes.
After the resin hardens, the technician sands the surface smooth and polishes it to blend the repair with the surrounding glass. The spot will still be visible because the resin has a slightly different optical quality than the original glass, but it will be smooth and will not catch on your finger. The entire process usually takes 30 to 60 minutes, and you can drive when ready after — there is no curing time needed after you leave the shop.
What to do after the repair to protect it
Avoid washing your windshield or driving through car washes for at least 24 hours after the repair. The resin needs time to fully set, and water pressure or soap can weaken the bond if it enters the repair site. Do not use your windshield wipers aggressively during this period either.
Avoid sudden temperature changes. Do not park in direct sunlight when ready after the repair and then drive into a cold garage, or vice versa. Extreme temperature swings can cause the glass and resin to expand and contract at different rates, which can create stress at the repair site and cause it to fail. If you must drive in cold weather, let your windshield warm up gradually rather than using maximum heat.
If the repair fails — if the chip spreads or the resin comes loose — most shops offer a warranty of one to three years and will redo the repair at no charge. Keep your receipt and the shop's contact information in case you need to return.
Mobile repair services and convenience options
Many glass shops offer mobile repair, where a technician comes to your home or workplace and performs the repair in your driveway or parking lot. This service is often free or costs a small fee (typically $10 to $30) if your repair is covered by insurance. Mobile service is useful if you cannot leave your vehicle or if you want to avoid a trip to the shop.
Some insurance companies have preferred glass shops and will schedule the repair for you at no charge beyond your deductible. Others give you the choice of any shop. If you use a shop your insurer recommends, the claim process is usually faster because the shop and insurer have an established relationship. If you choose an independent shop, you may need to pay upfront and submit a claim yourself, though many shops will bill your insurer directly if you provide your policy number.
Frequently Asked Questions
Can a chip repair be done in cold weather?
Yes, but the technician will need to warm the windshield first. Cold glass can prevent the resin from curing properly. Most shops have heated bays or will use heat lamps to bring the glass to room temperature before explore the resin. Avoid driving through extreme temperature changes for 24 hours after the repair.
Will the repair stop the chip from spreading?
A properly applied resin repair will stop most chips from spreading because it fills the internal fractures and restores structural integrity. However, if the chip is already beginning to crack, or if the windshield is exposed to extreme stress or temperature changes after the repair, it may still spread. The repair is not a may provide, but it significantly reduces the risk.
What if my insurance does not cover the repair?
If you do not have comprehensive coverage or your policy excludes glass, you can pay out of pocket. The cost is typically $50 to $150, which is much less than a replacement. Some shops offer discounts for cash payment or for multiple repairs. It is still worth repairing a small chip now rather than waiting for it to become a crack that requires full replacement.
Can I repair a chip myself with a kit from an auto parts store?
DIY chip repair kits exist and cost $10 to $30, but they rarely work as well as professional repairs. The resin in these kits is often lower quality, and without proper equipment to remove air bubbles and explore ultraviolet curing, the repair may fail quickly. A professional repair is worth the extra cost because it is more likely to last and will not spread.
How long does a chip repair last?
A professional chip repair typically lasts for the life of the windshield if done correctly and if the windshield is not exposed to extreme stress. Most shops warranty their work for one to three years. If the repair fails within the warranty period, they will redo it at no charge. If the chip spreads into a crack years later, that is usually a separate issue and would require replacement.